GCMS analysis results, Sample AE08270, April 22, 2002

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GCMS analysis report for sample AE08270 showing surrogate recovery and unknown compound screening on April 22, 2002.

NYC-WTC_000048456–000048465

Folder label: “GCMS X 4/9/02 A 4/17/02”

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NYC 9/11 Public Portal Document

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Data File C:\HPCHEM\l\DATA\APR1802\8270.D Vial: 4 Acq On 18 Apr 2002 2:54 pm Operator: Sample Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

8.19 5.87 ug/1 678280 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual ------- 4-------- 1 2 -Pentanone, 4 -hydroxy-4 -methyl- 116 C6H1202 000123-42-2 56 2 Acetic acid. 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 33 3 CH2=CHCH2C(0)OCH3 100 C5H802 003724-55-8 10 4 3-Hydroxy-2-pentanone____________ 102 C5H10O2 003142-66-3 9 Abundance / Scan 343 (8.191 min): 8270.D (-) m/ z 42.95 100.00% 43

59 5000

101 7.80 8.00 8.20 8.40 8.60 ......... ................................ 53 , 69 83 1 1 1 1 1 1 ' i ‘ 1 ' ' i 1 1 1 1 r1 1—i 14 I ■ ‘ 1 1 i ' ' 1 1 i 1 1 ■ ' i 1 —I 1—— P m/z 59.05 51.28% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 i । i I I i | i i i 1’ | i r i i j i i । I J t I

59 7.80 8.00 820 8.40 8.60 m/z 100.95 22.26% 27 101

m/z-> I,10........ 20 — 30L — 40 +49+ 50 I ' 1 60 i 1 1-1 ■ । ‘। ■ 70 80 90 83 - 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 780 8 00 8 20 8.40 8 60 5000 57 m/z 58.05 16.45% 101 15 27 ।_______ 1' ‘ i ' 1 ■ ' i 1 ■ ■ ■ i ' ■ ' ' 1 . ...... 1...........I । ' I r ' ' ' ! ' 1 ' ' I ' ' ' ' 1 1 rn/z->______ 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 —IIP I 43 7.80 8.00 8.20 8.40 8.60 m/z 41.05 8.36%

5000

58 38, t i' i । i 'r" * I । । । i । । 72I । 100 /z—> ................................ • 1 l > ■ • 1 I 1 > ' ' I ■ ■ 1 I I I 10 20 30 40 50 60 70 /n) 80 90 100 110 111 1 . . . i । . 7.80 8.00 8.20 8.40 8.60

8270.D GCMS0412.M Fri Apr 19 08:30:56 2002 Page 1

NYC-WTC_000048463

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